Answers: 1
Another question on Engineering
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:20
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
Answers: 2
You know the right answer?
In three points discuss the old stone age...
Questions
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
History, 19.11.2019 21:31
Biology, 19.11.2019 21:31
Mathematics, 19.11.2019 21:31
